DE602005007271D1 - ANODE FOR A DEVICE FOR GALVANIC COATING OF CYLINDER TUBES - Google Patents

ANODE FOR A DEVICE FOR GALVANIC COATING OF CYLINDER TUBES

Info

Publication number
DE602005007271D1
DE602005007271D1 DE602005007271T DE602005007271T DE602005007271D1 DE 602005007271 D1 DE602005007271 D1 DE 602005007271D1 DE 602005007271 T DE602005007271 T DE 602005007271T DE 602005007271 T DE602005007271 T DE 602005007271T DE 602005007271 D1 DE602005007271 D1 DE 602005007271D1
Authority
DE
Germany
Prior art keywords
anode
cylinder
deposition
coating
galvanic coating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602005007271T
Other languages
German (de)
Inventor
Carlo Coltri
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aerotecnica Coltri SpA
Original Assignee
Aerotecnica Coltri SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aerotecnica Coltri SpA filed Critical Aerotecnica Coltri SpA
Publication of DE602005007271D1 publication Critical patent/DE602005007271D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/04—Tubes; Rings; Hollow bodies
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10—Electrodes, e.g. composition, counter electrode
    • C25D17/12—Shape or form

Abstract

A hollow anode for a galvanic coating apparatus of the running surfaces of cylinders is provided with a plurality of passages in its top portion. The total area of the passages reduces the surface of the anode by at least 50%, the top portion having a height between 4 and 12 mm. Thus, a decrease in the electrical field at the top of the cylinder is achieved without affecting the deposition in the rest of the cylinder and it is therefore possible to obtain a perfect coating up to the corners of a closed cylinder, while decreasing the deposition on the vault of the combustion chamber. Furthermore, it is also possible to increase the flow rate of the electrolyte through the apparatus thus decreasing coating time and exploiting a greater hydraulic pressure of the electrolyte, which provides a mechanical effect that favors deposition, especially at the corners.
DE602005007271T 2005-02-21 2005-02-21 ANODE FOR A DEVICE FOR GALVANIC COATING OF CYLINDER TUBES Active DE602005007271D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2005/000091 WO2006087743A1 (en) 2005-02-21 2005-02-21 Anode for an apparatus for the galvanic coating of the running surfaces of cylinders

Publications (1)

Publication Number Publication Date
DE602005007271D1 true DE602005007271D1 (en) 2008-07-10

Family

ID=35253681

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005007271T Active DE602005007271D1 (en) 2005-02-21 2005-02-21 ANODE FOR A DEVICE FOR GALVANIC COATING OF CYLINDER TUBES

Country Status (5)

Country Link
US (1) US7828943B2 (en)
EP (1) EP1851366B1 (en)
AT (1) ATE397103T1 (en)
DE (1) DE602005007271D1 (en)
WO (1) WO2006087743A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110475912B (en) * 2017-03-31 2021-10-19 本田技研工业株式会社 Surface treatment device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE494578A (en) * 1949-03-18
SU791791A1 (en) 1978-08-10 1980-12-30 За витель Electrode for galvanic plating
US4280884A (en) * 1980-04-07 1981-07-28 Demco, Inc. Method and apparatus for recovery of silver employing an electrolytic cell having improved solution movement
DE3576370D1 (en) * 1985-01-17 1990-04-12 Alusuisse DEVICE FOR GALVANIC DEPOSITION OF A DISPERSION LAYER.
US5126638A (en) * 1991-05-13 1992-06-30 Maxwell Laboratories, Inc. Coaxial pseudospark discharge switch
DE4311859A1 (en) * 1993-04-10 1994-10-13 Mahle Gmbh Device for pretreating and / or for producing a tread coating on cylinders
JPH07118892A (en) * 1993-09-02 1995-05-09 Yamaha Motor Co Ltd Surface treating device
US6086731A (en) * 1996-10-24 2000-07-11 Honda Giken Kogyo Kabushiki Kaisha Composite plating apparatus
US6135053A (en) * 1997-07-16 2000-10-24 Canon Kabushiki Kaisha Apparatus for forming a deposited film by plasma chemical vapor deposition
US6033548A (en) * 1997-07-28 2000-03-07 Micron Technology, Inc. Rotating system and method for electrodepositing materials on semiconductor wafers
JP2000008191A (en) 1998-06-24 2000-01-11 Honda Motor Co Ltd Plating device
US6724146B2 (en) * 2001-11-27 2004-04-20 Raytheon Company Phased array source of electromagnetic radiation
US6662034B2 (en) * 2000-11-15 2003-12-09 Stereotaxis, Inc. Magnetically guidable electrophysiology catheter

Also Published As

Publication number Publication date
EP1851366A1 (en) 2007-11-07
EP1851366B1 (en) 2008-05-28
US20080264782A1 (en) 2008-10-30
US7828943B2 (en) 2010-11-09
WO2006087743A1 (en) 2006-08-24
ATE397103T1 (en) 2008-06-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition